# Transaction
Transactions contain an array of Operations that are attributable to the same TransactionIdentifier.
## Example Usage
```typescript
import { Transaction } from "icpmcp-rosetta-api";
let value: Transaction = {
transactionIdentifier: {
hash: "0x2f23fd8cca835af21f3ac375bac601f97ead75f2e79143bdf71fe2c4be043e8f",
},
operations: [],
relatedTransactions: [
{
networkIdentifier: {
blockchain: "bitcoin",
network: "mainnet",
subNetworkIdentifier: {
network: "shard 1",
metadata: {},
},
},
transactionIdentifier: {
hash:
"0x2f23fd8cca835af21f3ac375bac601f97ead75f2e79143bdf71fe2c4be043e8f",
},
direction: "forward",
},
],
metadata: {},
};
```
## Fields
| Field | Type | Required | Description | Example |
| -------------------------------------------------------------------------------------------------------------------------------------------------------------------- | -------------------------------------------------------------------------------------------------------------------------------------------------------------------- | -------------------------------------------------------------------------------------------------------------------------------------------------------------------- | -------------------------------------------------------------------------------------------------------------------------------------------------------------------- | -------------------------------------------------------------------------------------------------------------------------------------------------------------------- |
| `transactionIdentifier` | [models.TransactionIdentifier](../models/transactionidentifier.md) | :heavy_check_mark: | The transaction_identifier uniquely identifies a transaction in a particular network and block or in the mempool. | |
| `operations` | [models.Operation](../models/operation.md)[] | :heavy_check_mark: | N/A | |
| `relatedTransactions` | [models.RelatedTransaction](../models/relatedtransaction.md)[] | :heavy_minus_sign: | N/A | |
| `metadata` | [models.TransactionMetadata](../models/transactionmetadata.md) | :heavy_minus_sign: | Transactions that are related to other transactions (like a cross-shard transaction) should include the tranaction_identifier of these transactions in the metadata. | {<br/>"size": 12378,<br/>"lockTime": 1582272577<br/>} |
